St. Nicholas is a Catholic church in O'Fallon, St. Clair County, Illinois — listed by Foursquare OS Places, Overture Maps Places, masstimes.org (Mass Times Trust); last seen September 2026.
Who meets here
- St. Nicholas · primary · catholic
stnicholasofallon.org/ · (618) 632-1797
How we know
- Foursquare OS Places — listed as “St Nicholas Church” · seen September 2026
- masstimes.org (Mass Times Trust) · seen September 2026
- Overture Maps Places — listed as “St. Nicholas O'Fallon” · seen September 2026
3 independent sources agree on this place. About our sources